| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 17.8° | 3.1° | — | — | 87 |
| February | 17.4° | 3° | — | — | 86 |
| March | 19.6° | 3.5° | — | — | 93 |
| April | 21.9° | 4.5° | — | — | 94 |
| May | 24.9° | 7.1° | — | — | 94 |
| June | 29.9° | 9.6° | — | — | 82 |
| July | 33.4° | 13.8° | — | — | 68 |
| August | 34.2° | 14.3° | — | — | 65 |
| September | 31.8° | 12.4° | — | — | 75 |
| October | 26.6° | 8.5° | — | — | 94 |
| November | 22° | 5° | — | — | 94 |
| December | 17.8° | 2.9° | — | — | 87 |
January in Tecate averages a daily high of 17.8°C with nights around 3.1°C. Comfortable conditions for being outdoors all day.
February in Tecate averages a daily high of 17.4°C with nights around 3°C. Comfortable conditions for being outdoors all day.
March in Tecate averages a daily high of 19.6°C with nights around 3.5°C. Comfortable conditions for being outdoors all day.
April in Tecate averages a daily high of 21.9°C with nights around 4.5°C. Comfortable conditions for being outdoors all day.
May in Tecate averages a daily high of 24.9°C with nights around 7.1°C. Comfortable conditions for being outdoors all day.
June in Tecate averages a daily high of 29.9°C with nights around 9.6°C. Comfortable conditions for being outdoors all day.
July in Tecate averages a daily high of 33.4°C with nights around 13.8°C. Generally workable, with some weather to plan around.
August in Tecate averages a daily high of 34.2°C with nights around 14.3°C. Generally workable, with some weather to plan around.
September in Tecate averages a daily high of 31.8°C with nights around 12.4°C. Comfortable conditions for being outdoors all day.
October in Tecate averages a daily high of 26.6°C with nights around 8.5°C. Comfortable conditions for being outdoors all day.
November in Tecate averages a daily high of 22°C with nights around 5°C. Comfortable conditions for being outdoors all day.
December in Tecate averages a daily high of 17.8°C with nights around 2.9°C. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Tecate peaks at 94.
Based on 30 years of records, October–May scores highest for comfort in Tecate, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 34.2°C.
January is the wettest, averaging —mm of rain across roughly — wet days.
February is the coolest month, with average daily highs around 17.4°C.